III. Choose the best answer 
1.If we use water………, more people will have cleaner water.  
A. care      B. carefully    C. careless    D. carelessly 
2. Water pollution make some aquatic animals…….. 
A. dying    B. to die    C. die      D. died 
3. The team’s success was large ….. to her effort. 
A. because    B. due     C. since  D. because of 
4.English is an …….. language in Singapore. 
A. office    B. official ( chính thức )  C. officer     D. officially 
5.She prefers English ……France. 
A. to      B. for    C. at    D. in 
6. Three hundred people …..homeless by the earthquake. 
A. left      B. were leaving  C. were left     D. had left 
7. By the time we got to the cinema, the film …………. . 
A. had started    B. started    C. starting    D. has started 
8.Many people die………..food poison today. 
A. at      B.of      C. in     D. on 
9. Do you know what ............ cause air pollution?. 
A. pollutants  ( chất thải )  B. contamination    C. death  D. damage 
10. The acid rain has caused ............ to the trees in this area. 
A. carefulness   B. damage  ( thiệt hại )    C. attraction  D. difficulty 
11. New Zealand is famous for the ............ beauty of its mountains and forests. 
A. easy                B. historic             C. nomadic    D. scenic ( cảnh quan ) 
12. The ............ buried the whole village while people were still sleeping in their houses. 
A. drought    B. flood           C. mudslide  ( lũ quét)   D. tornado 
13. If people  ..................... to work by bus, there......................fewer car fumes. 
A. to travel/be   B. travel/are    C. will travel/be       D. travel/will be 
14. If people didn’t throw rubbish in the street, it........................... attractive.. A. will look      B. would look  ( đk loại 2)  C. look      D. to look 
15. There are about 750 million English speakers in the world, and this number ............ fast.  
A. is increasing  B. to increase    C. are increasing      D. increase 
16. In the future, natural disasters............ accurately with the help of technology. 
A. to predict     B. predict    C. will be predicted   D. will predict 
17. On my birthday, I was very pleased because I .......... a nice present. 
A. receive                  B. had received  C. receives  D. am receiving 
18. A..............is the traditional garment for Scottish men. 
A. hanbox  B. veil      C. kimono    D.  kilt 
19. How about organizing a Clean Day for our school? - ........................ 
A. I promise.    B. Good idea.    C. Not at all.    D. Go ahead. 
20. Water _______ in the lake has made the fish die.  
A. pollution    ( ô nhiễm )        B. pollute    C. polluted    D. polluting 
21. _____ workers were sent to the area immediately, but no villager was survived when the landslide happened. 
A. help                      B. rescue   ( giải cứu )              C. volunteer              D. assistance 
22. Three hundred people were left _____ by the earthquake. 
A. home      B. property     C. homeless ( vô gia cư )  D. house  
23. The train or Ha Noi ______ at 7a.m tomorrow.  
A. leaves    B. leaving    C. to leave  D. left 
24. Environmental pollution has _____ to lots of health problems. 
A. caused    B. got      C. made    D. led 
25. The heavy rain has caused _______ in many parts of the country. 
A. drought    B. storms    C. forest fire    D. floods 
26.If we use water………, fewer people will have cleaner water.  
A. care      B. carefully    C. careless    D. carelessly 
27. The city has a summer _____ in the park . 
A. festivily      B. festive  C. festively    D. festival 
28.She prefers English ……France (prefer st to st : thích cgi hơn cgi )
A. to      B. for      C. at    D. in 
29. By the time we _______ to the cinema, the film had started . 
A. had got    B. got    C. were getting    D. get 
30.Many people die………..food poison today. 
A. at      B.of    C. in       D. on 
31. A person who __________ the bagpipes is called a piper. 
A. plays    B. performs    C. entertains    D. does 
32. Don’t drink that water. It’s __________. 
A. damaged    B. dumped    C. contaminated ( ô nhiễm ) D. clear 
33. The team’s success was largely __________ to her efforts. 
A. because    B. due  ( due to=because)     C. since    D. however 
34. I often drink coffee, but today I __________ tea. 
A.am drinking ( khác vs thói quen thường ngày dừng ving)   B. drink    C. drank    D. drinks 
35. All our English teachers are __________ speakers. 
A. native    B. original    C. foreign    D. official 
36. If you __________ the president, what would you do to help the environment? ( đk loại 2 )
A. are      B. had been    C. were    D. was 
37. Eating too much sugar can __________ to health problems. 
A. cause  ( gây ra)    B. lead      C. make    D. take 
38. Emergency teams are still removing the __________ from the plane crash. 
A. dirt      B. debris  ( mảnh vụn )   C. dust      D. air 
39. The heavy rain has caused __________ in many parts of the country. 
A. storms    B. floods  ( lũ lụt)  C. drought    D. heat